CN116553214B - High-flexibility movable unloading and receiving machine - Google Patents
High-flexibility movable unloading and receiving machine Download PDFInfo
- Publication number
- CN116553214B CN116553214B CN202310551056.5A CN202310551056A CN116553214B CN 116553214 B CN116553214 B CN 116553214B CN 202310551056 A CN202310551056 A CN 202310551056A CN 116553214 B CN116553214 B CN 116553214B
- Authority
- CN
- China
- Prior art keywords
- unloading
- plate
- frame
- ramp
- conveyor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000000872 buffer Substances 0.000 claims description 47
- 238000005303 weighing Methods 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000007790 scraping Methods 0.000 claims description 21
- 230000035939 shock Effects 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/24—Unloading land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
- B65G41/007—Means for moving conveyor frames and control arrangements therefor
- B65G41/008—Means for moving conveyor frames and control arrangements therefor frames mounted on wheels or caterpillar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/003—Restraining movement of a vehicle at a loading station using means not being part of the vehicle
- B65G69/005—Restraining movement of a vehicle at a loading station using means not being part of the vehicle the means engaging at least one wheel of the vehicle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The utility model discloses a mobile unloading and receiving machine with high flexibility, which comprises a frame, a conveyor and an unloading ramp, wherein the output end of a driving hydraulic rod is axially connected with the conveyor, the unloading ramp is arranged on the outer side of the conveyor, regulating grooves are symmetrically arranged at the top of the unloading ramp, a wheel baffle is arranged at the top of the unloading ramp through a rotating shaft, and a limiting cylinder is arranged at the top of the wheel baffle. According to the utility model, the threaded rod is driven to rotate by the operation of the adjusting motor, the threaded rod rotates to drive the moving block to move on the inner side of the adjusting groove, so that the hinged seat is horizontally adjusted, the supporting rod pushes the bottom of the wheel baffle plate in the moving process of the hinged seat, the wheel baffle plate can adjust the inclination angle of the wheel baffle plate through axial rotation of the rotating shaft, the wheel baffle plate blocks the front wheel of the automobile, the limiting cylinder can balance and prop the upper part of the front wheel of the automobile, the stability of the unloading and receiving machine is ensured by multidirectional fixing of the wheels of the automobile, and the safety performance of the unloading and receiving machine is enhanced.
Description
Technical Field
The utility model relates to the technical field of unloading and receiving machines, in particular to a mobile unloading and receiving machine with high flexibility.
Background
Along with the rapid development of national economy, the hydraulic unloading machine is widely applied to the automobile unloading process of materials such as building materials and grains, the mobile unloading receiving machine is provided with a crawler running device, the crawler running device moves to corresponding positions during operation, the whole equipment is located on the ground during operation, the self-unloading dump truck or the loader directly unloads ores to a receiving hopper of the chain plate conveyor through a steel unloading truck platform, and the receiving hopper of the chain plate conveyor is directly loaded with materials, when the equipment needs to be moved, the equipment is required to be completely unloaded, the automobile cannot be loaded at the moment and is not on a climbing slope, the climbing jacking certain position leaves the ground, and the equipment can move and the blanking point can be adjusted.
The defects of the unloading and receiving machine in the prior art are that:
1. patent document CN216444623U discloses a unloading mechanism, "the unloading mechanism comprises a base, a load assembly, a lifting device and an anti-falling assembly; the first end of the load assembly is hinged on the base; the lifting device is used for lifting the second end of the load assembly; the anti-falling assembly is arranged between the base and the load assembly and used for limiting the second end of the lifted load assembly to fall. Above-mentioned mechanism of unloading, through adding anti-falling subassembly between base and load subassembly, solved mechanism of unloading anti-falling subassembly and elevating gear when same part, anti-falling device is easy inefficacy, and the problem of life weak point. Meanwhile, the problem of difficult installation and connection of the anti-falling assembly is solved by adjusting the connection mode of the anti-falling assembly, the base and the load assembly. The unloading mechanism can collide with the placing surface to damage the bottom of the unloading mechanism in the descending process of the loading assembly, so that the service life of the loading assembly is shortened.
2. Patent document CN211197949U discloses a wheel stopper for a car unloader, "the wheel stopper for a car unloader is installed on a turning platform of the car unloader, a rotating space penetrating through the surface of the turning platform is formed on the turning platform, a limiting part is arranged in the rotating space, a wheel stopping body is rotatably arranged in the rotating space, the wheel stopping body comprises a pressing part and a supporting surface for supporting wheels, the pressing part is pressed against the lower part of the limiting part, the wheel stopping body is rotatably installed in the rotating space, the top of the supporting surface is rotatably connected with a roller body, the roller body is exposed outside the turning platform, a cavity for accommodating the roller body is formed on the turning platform, the hinge center of the roller body is positioned above a connecting line of the hinge center of the wheel stopping body and the wheel center, and a spring for pushing the wheel stopping body away from the rotating space is arranged below the wheel stopping body. The utility model has low cost, does not need hydraulic control and can automatically open the baffle wheel body. The wheel stopper can only unilaterally fix the unloading wheels, the unloading machine is easy to shake due to poor wheel fixing firmness, and the safety performance of the unloading machine in use cannot be guaranteed.
3. Patent document CN212831651U discloses a unloader receiving mechanism, "comprising a frame, one side of which is provided with a passage for a truck to enter; a fixing plate fixedly installed to the frame; the movable plate is positioned above the fixed plate and can slide relative to the fixed plate, one end of the movable plate is exposed out of the frame, and the movable plate, the fixed plate and the frame form a chamber for accommodating a boxcar; and the sealing mechanism is positioned between the frame and the movable plate and comprises a wedge block and sealing strips, the wedge block is respectively arranged at two side edges of the movable plate, the sealing strips are arranged above the wedge block, one side of each sealing strip is fixedly connected with the frame, and the other side of each sealing strip is pressed against the wedge block. The utility model has reasonable structure and excellent general performance. The unloading machine receiving mechanism can not detect whether residual cargoes exist on the movable plate or not, and the cargoes remain on the movable plate and slide accidentally, so that potential safety hazards are easily caused.
4. Patent document CN105600516B discloses a mobile bulk cargo unloading machine, "the structure of which comprises a turnover platform and a wheel stopper, the turnover platform is embedded in a special semitrailer chassis, the front part of the special semitrailer chassis is connected with a tractor, the lower part of the rear side of the special semitrailer chassis is provided with a mobile wheel, the left and right sides of the front end of the special semitrailer chassis are respectively provided with a front landing leg, the left and right sides of the middle part are respectively provided with a middle landing leg, the left and right sides of the rear end are respectively provided with a rear landing leg, the front part of the special semitrailer chassis is provided with a folding cat ladder, the front side of the bottom of the special semitrailer chassis is provided with an inclined plane, the included angle between the inclined plane and the horizontal plane is less than or equal to 5 degrees, the two sides of the turnover platform are respectively provided with lifting hydraulic cylinders, and the special semitrailer chassis is provided with a hydraulic system. The utility model can run like a car and can automatically discharge a truck loaded with bulk materials; the whole machine can form a slope less than or equal to 5 degrees, and is convenient for the entry of a truck. The bulk material unloader can not automatically clean the residual bulk materials on the overturning platform, so that the labor intensity of users is increased, and the service life of the unloader is shortened.
Disclosure of Invention
The utility model aims to provide a mobile unloading and receiving machine with high flexibility, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable unloading receiving machine that flexibility ratio is high, includes frame, conveyer and unloading ramp, the drive hydraulic stem is installed at the top of frame, the output shaft of drive hydraulic stem is connected with the conveyer, the unloading ramp is installed to the outside of conveyer, the inboard of unloading ramp is provided with the sliding tray, the weighing plate is installed to the inboard gomphosis of sliding tray, install weighing sensor on the diapire of unloading ramp, and weighing sensor's output contacts with weighing plate's bottom, install remote control module on the diapire of unloading ramp, the electronic folding platform of going up is installed to one side that the unloading ramp was kept away from the conveyer;
the top of the unloading ramp is symmetrically provided with an adjusting groove, the inner side of the adjusting groove is provided with a threaded rod, the outer side of the threaded rod is provided with a moving block, the top of the moving block is provided with a hinge seat, the top of the unloading ramp is provided with a wheel baffle through a rotating shaft, the top of the wheel baffle is provided with a limiting cylinder, the inner wall of the limiting cylinder is provided with a movable groove, the inner side of the movable groove is embedded with a sliding frame, the bottom wall of the limiting cylinder is provided with an electric telescopic rod, the output end of the electric telescopic rod is connected with the bottom of the sliding frame, the outer side of the sliding frame is provided with an anti-vibration spring, the top of the sliding frame is provided with a top supporting plate, and the top of the anti-vibration spring is connected with the bottom of the top supporting plate;
the utility model provides a conveyer is close to one side of ramp of unloading and installs the slide rail frame, the outside gomphosis of slide rail frame is installed electronic slider, the spliced pole is installed in the outside of electronic slider, the scraper blade is installed to the outer end of spliced pole, the bottom of scraper blade is installed and is scraped the pad, and scrape the pad and contact with the top of ramp of unloading, the shock attenuation frame is installed to the bottom of conveyer, install the slide bar on the inner wall of shock attenuation frame, the sliding block is installed in the outside gomphosis of slide bar, the outside of slide bar is provided with buffer spring, and buffer spring's the other end is connected with the outer wall of sliding block, the articulated frame is installed to the bottom of sliding block, the transfer line is installed to the inboard of articulated frame, be provided with the spacing groove on the inner wall of shock attenuation frame, the buffer board is installed to the inboard gomphosis of spacing groove, and the top of buffer board articulates with the bottom of transfer line, the connecting rod is installed to the bottom of buffer board, shock attenuation reinforcing plate is installed to the bottom of connecting rod.
Preferably, the cab is installed at the top of frame, crawler running gear is installed to the bottom of frame, and receiving hopper is installed to the output bottom of conveyer, and the conveyor roller is installed to the inboard of conveyer, and the back-mounted of conveyer has the conveying motor, and the output of conveying motor is connected with the input of conveying roller, and the link joint is installed through the belt pulley in the outside of conveying roller.
Preferably, the mounting plate is installed to the inboard of adjustment tank, and accommodate motor is installed in the outside of mounting plate, and accommodate motor's output is connected with the input of threaded rod, and the bracing piece is installed to the inboard of articulated seat, and the top of bracing piece articulates with the bottom of catch plate mutually.
Preferably, the working steps of the unloading and receiving machine are as follows:
the method comprises the steps that S1, firstly, a unloading and material receiving machine works and moves to corresponding positions, during operation, a hydraulic rod is driven to work so that integral equipment is located on the ground, a damping reinforcing plate is contacted with a placing surface in the falling process of a conveyor, a buffer plate moves inside a limiting groove to push a transmission rod, a sliding block moves on a sliding rod to extrude a buffer spring under the pushing action of the transmission rod, the buffer spring buffers the decomposition impact force in the horizontal direction, and the damage to the whole unloading and material receiving machine caused by the collision between the conveyor and the placing surface during the falling process of the conveyor is reduced;
s2, the self-unloading dump truck runs onto a discharging ramp in a reversing way through an electric folding upper platform, an adjusting motor runs to drive a threaded rod to rotate, the threaded rod rotates to drive a moving block to move on the inner side of an adjusting groove so that a hinge seat can be subjected to position adjustment in the horizontal direction, a supporting rod is used for changing an angle in the moving process of the hinge seat, the supporting rod pushes the bottom of a wheel baffle to realize adjustment of an inclination angle of the wheel baffle through axial rotation of a rotating shaft, and the wheel baffle blocks the front wheels of the truck;
s3, unloading the goods by the self-unloading dump truck, wherein the unloaded goods fall into the conveyor, the conveying motor operates to drive the conveying roller to rotate, the conveying roller realizes continuous transmission of the chain plate through the transmission function of the belt pulley, and the goods are transmitted to the receiving hopper in the conveyor;
s4, resetting the wheel baffle after unloading is completed, and enabling the self-unloading dump truck to run out through an electric folding loading platform, wherein when goods remain on an unloading ramp, the weight sensor is moved to squeeze the weighing plate at the inner side of the sliding groove due to the fact that the goods weight presses the weighing plate, and the weight sensor detects the weight on the weighing plate.
Preferably, in the step S2, the method further includes the following steps:
s21, the upper part of the front wheel of the automobile is balanced and jacked by the limiting cylinder, the electric telescopic rod works to drive the sliding frame to move at the inner side of the movable groove for height adjustment, the stretching length of the anti-vibration spring is changed to realize the adjustment of the elasticity of the anti-vibration spring, the limiting jacking requirements of different load dump trucks are met, the front wheel of the automobile is contacted with the jacking plate to enable the jacking plate to move downwards to squeeze the anti-vibration spring, and the anti-vibration spring buffers the shaking impact force of the automobile;
in the step S4, the method further includes the following steps:
s41, after detection of the weighing sensor is completed, the remote control module works to control the working state of the scraping plate, the electric sliding block moves on the sliding rail frame to move horizontally, and the scraping plate is driven to reciprocate, so that the scraping pad scrapes residual goods on the surface of the unloading ramp.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the damping frame is arranged at the bottom of the conveyor, the damping reinforcing plate is contacted with the placement surface in the falling process of the conveyor, so that the buffer plate moves inside the limiting groove to push the transmission rod, the sliding block moves on the sliding rod to squeeze the buffer spring under the pushing action of the transmission rod, the buffer spring buffers the decomposition impact force in the horizontal direction, the damage to the whole unloading and receiving machine caused by collision between the conveyor and the placement surface in the falling process of the conveyor is reduced, and the service life of the conveyor is prolonged.
According to the utility model, the limiting cylinder is arranged at the top of the wheel baffle, the adjusting motor operates to drive the threaded rod to rotate, the threaded rod rotates to drive the moving block to move on the inner side of the adjusting groove so as to enable the hinge seat to carry out position adjustment in the horizontal direction, the use angle of the supporting rod is changed in the moving process of the hinge seat, the supporting rod pushes the bottom of the wheel baffle, the wheel baffle can adjust the use inclination angle of the wheel baffle through axial rotation of the rotating shaft, the wheel baffle can block the front wheel of an automobile, the limiting cylinder can balance and jack the upper part of the front wheel of the automobile, the stability of the unloading machine during unloading of the automobile wheel is ensured, and the safety performance of the unloading machine during unloading is enhanced.
According to the utility model, the weighing plate is embedded and arranged on the inner side of the sliding groove, the wheel baffle is reset after unloading is completed, the self-unloading dump truck is driven out through the electric folding upper platform, when goods are remained on the unloading ramp, the weight of the goods presses the weighing plate to move on the inner side of the sliding groove to squeeze the weighing sensor, the weight of the weighing sensor on the weighing plate is detected, the detection of the residual goods effectively prevents the goods from falling from the high position when the unloading and receiving machine is reset and moved, and the safety performance of the unloading and receiving machine is improved when the unloading and receiving machine is moved.
According to the utility model, the scraping plate is arranged at the outer end of the connecting column, the remote control module works to control the working state of the scraping plate after the detection of the weighing sensor is completed, the electric sliding block moves on the sliding rail frame to move horizontally, and drives the scraping plate to reciprocate, so that the scraping pad scrapes the residual goods on the surface of the unloading ramp, the labor intensity of users is relieved by automatic cleaning of the residual goods, and the service life of the unloading and receiving machine is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the front structure of the present utility model;
FIG. 3 is a schematic perspective view of a conveyor according to the present utility model;
FIG. 4 is a schematic view of the internal structure of the discharge ramp of the present utility model;
FIG. 5 is a schematic perspective view of an adjusting tank according to the present utility model;
FIG. 6 is a schematic view of a wheel guard connection structure of the present utility model;
FIG. 7 is a schematic view of the internal structure of the limiting cylinder of the present utility model;
FIG. 8 is a schematic perspective view of a scraper according to the present utility model;
FIG. 9 is a schematic view showing the internal structure of the shock absorbing frame according to the present utility model;
fig. 10 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1. a frame; 2. a conveyor; 3. a discharge ramp; 4. an adjustment tank; 5. a limiting cylinder; 6. a slide rail frame; 7. a shock absorption frame; 8. a cab; 9. a crawler belt walking device; 10. driving a hydraulic rod; 11. a receiving hopper; 12. a conveying roller; 13. a conveying motor; 14. a link plate; 15. a sliding groove; 16. a weighing plate; 17. a weighing sensor; 18. a remote control module; 19. electric folding upper trolley; 20. a threaded rod; 21. a mounting plate; 22. adjusting the motor; 23. a moving block; 24. a hinge base; 25. a support rod; 26. a wheel baffle; 27. a movable groove; 28. an electric telescopic rod; 29. a carriage; 30. an anti-vibration spring; 31. a top support plate; 32. an electric slide block; 33. a connecting column; 34. a scraper; 35. a scraping pad; 36. a slide bar; 37. a sliding block; 38. a buffer spring; 39. a hinge bracket; 40. a transmission rod; 41. a limit groove; 42. a buffer plate; 43. a connecting rod; 44. and a shock absorption reinforcing plate.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected or movably connected, or may be detachably connected or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 2, 3, 4 and 5, an embodiment of the present utility model is provided: a mobile unloading and receiving machine with high flexibility;
comprises a frame 1, a conveyor 2 and a discharging ramp 3, wherein a driving hydraulic rod 10 is arranged at the top of the frame 1, the output end of the driving hydraulic rod 10 is connected with the conveyor 2 in an axial manner, a cab 8 is arranged at the top of the frame 1, a crawler traveling device 9 is arranged at the bottom of the frame 1, a receiving hopper 11 is arranged at the bottom of the output end of the conveyor 2, a conveying roller 12 is arranged at the inner side of the conveyor 2, a conveying motor 13 is arranged at the back of the conveyor 2, the output end of the conveying motor 13 is connected with the input end of the conveying roller 12, a chain plate 14 is arranged at the outer side of the conveying roller 12 through a belt pulley, a user sits in the cab 8 to control the working state of a unloading and receiving machine, the crawler traveling device 9 adjusts the using position of the unloading and receiving machine, a dump truck unloads goods, the unloading goods falls into the conveyor 2, the conveying motor 13 runs to drive the conveying roller 12 to rotate, the conveying roller 12 realizes continuous transmission of the chain plate 14 through the transmission effect of the belt pulley, goods are transmitted to the receiving hopper 11 in the conveyor 2, the discharging ramp 3 is arranged at the outer side of the conveyor 2, the sliding groove 15 is arranged at the inner side of the discharging ramp 3, the weighing plate 16 is embedded and arranged at the inner side of the sliding groove 15, the weighing sensor 17 is arranged on the bottom wall of the discharging ramp 3, the output end of the weighing sensor 17 is contacted with the bottom of the weighing plate 16, the remote control module 18 is arranged on the bottom wall of the discharging ramp 3, the electric folding upper platform 19 is arranged at one side of the discharging ramp 3 far away from the conveyor 2, the dump truck is driven out through the electric folding upper platform 19 after discharging is completed, when the goods remain on the discharging ramp 3, the weighing sensor 17 is extruded due to the fact that the weight of the goods presses the weighing plate 16 to move at the inner side of the sliding groove 15, the weighing sensor 17 detects the weight on the weighing plate 16, and the detection of the residual cargoes effectively prevents the cargoes from falling from the high place when the unloading and receiving machine resets and moves.
Referring to fig. 1, fig. 2, fig. 5, fig. 6, fig. 7 and fig. 10, a mobile unloading and receiving machine with high flexibility is disclosed;
comprises an adjusting groove 4, a wheel baffle 26 and a limiting cylinder 5, wherein the top of a discharging ramp 3 is symmetrically provided with the adjusting groove 4, a threaded rod 20 is arranged at the inner side of the adjusting groove 4, a moving block 23 is arranged at the outer side of the threaded rod 20, a hinging seat 24 is arranged at the top of the moving block 23, the wheel baffle 26 is arranged at the top of the discharging ramp 3 through a rotating shaft, a mounting plate 21 is arranged at the inner side of the adjusting groove 4, an adjusting motor 22 is arranged at the outer side of the mounting plate 21, the output end of the adjusting motor 22 is connected with the input end of the threaded rod 20, a supporting rod 25 is arranged at the inner side of the hinging seat 24, the top end of the supporting rod 25 is hinged with the bottom of the wheel baffle 26, the mounting plate 21 provides a mounting position for the adjusting motor 22, the stability of the operation of the adjusting motor is ensured, the threaded rod 20 is driven to rotate by the operation of the adjusting motor 22, the moving block 23 is driven by the rotation of the threaded rod 20 to move at the inner side of the adjusting groove 4, and the hinging seat 24 is subjected to position adjustment in the horizontal direction, the use angle of the supporting rod 25 is changed in the moving process of the hinging seat 24, the supporting rod 25 pushes the bottom of the baffle plate 26 to realize the adjustment of the use inclination angle of the baffle plate 26 through the axial rotation of the rotating shaft, the baffle plate 26 blocks the front wheel of the automobile, the top of the baffle plate 26 is provided with a limiting cylinder 5, the inner wall of the limiting cylinder 5 is provided with a movable groove 27, the inner side of the movable groove 27 is embedded with a sliding frame 29, the bottom wall of the limiting cylinder 5 is provided with an electric telescopic rod 28, the output end of the electric telescopic rod 28 is connected with the bottom of the sliding frame 29, the outer side of the sliding frame 29 is provided with an anti-vibration spring 30, the top of the sliding frame 29 is provided with a supporting plate 31, the top end of the anti-vibration spring 30 is connected with the bottom of the supporting plate 31, the baffle plate 26 provides the installation position for the limiting cylinder 5, the wheel baffle 26 is adjusted to the spacing angle of front wheel when the spacing section of thick bamboo 5 offsets the wheel, and spacing section of thick bamboo 5 balances the top to car front wheel upper portion and props, has guaranteed the stability when unloading of unloading material machine, and electric telescopic handle 28 work drives carriage 29 and moves and carry out altitude mixture control in movable groove 27 inboard, changes the tensile length of antidetonation spring 30 and realizes the elastic regulation to antidetonation spring 30, satisfies the spacing top of different load dump truck and props the demand, and car front wheel makes top of the car and top of the supporting plate 31 contact and makes top of the supporting plate 31 move downwards and extrudees antidetonation spring 30, and antidetonation spring 30 buffers the rocking impact force of car.
Referring to fig. 1, 2, 8 and 9, a mobile unloading and receiving machine with high flexibility is disclosed;
comprises a slide rail frame 6, a shock absorption frame 7 and a shock absorption reinforcing plate 44, wherein the slide rail frame 6 is arranged on one side of the conveyor 2 close to the unloading ramp 3, an electric sliding block 32 is embedded and arranged on the outer side of the slide rail frame 6, a connecting column 33 is arranged on the outer side of the electric sliding block 32, a scraping plate 34 is arranged on the outer end of the connecting column 33, a scraping pad 35 is arranged at the bottom of the scraping plate 34, the scraping pad 35 is contacted with the top of the unloading ramp 3, the unloading ramp 3 provides an installation position for the slide rail frame 6, a weighing sensor 17 detects that the remote control module 18 works to control the working state of the scraping plate 34 after the completion, the electric sliding block 32 moves on the slide rail frame 6 to move horizontally to drive the scraping plate 34 to reciprocate so as to scrape the residual goods on the surface of the unloading ramp 3, the shock absorption frame 7 is arranged at the bottom of the conveyor 2, a sliding rod 36 is arranged on the inner wall of the shock absorption frame 7, the outside gomphosis of slide bar 36 is installed slider 37, the outside of slide bar 36 is provided with buffer spring 38, and the other end of buffer spring 38 is connected with the outer wall of slider 37, articulated frame 39 is installed to the bottom of slider 37, the transfer line 40 is installed to the inboard of articulated frame 39, be provided with spacing groove 41 on the inner wall of shock attenuation frame 7, buffer plate 42 is installed to the inboard gomphosis of spacing groove 41, and the area trunk portion of buffer plate 42 links with the bottom of transfer line 40 mutually, connecting rod 43 is installed to the bottom of buffer plate 42, shock attenuation reinforcing plate 44 is installed to the bottom of connecting rod 43, shock attenuation reinforcing plate 44 and the face contact of placing make buffer plate 42 remove in spacing groove 41 inboard and promote transfer line 40, the promotion of transfer line 40 is under the promotion effect of transfer line 40 slider 37 removes and extrudees buffer spring 38 on slide bar 36, the buffer spring 38 buffers the decomposition impact force in the horizontal direction, so that the damage to the whole unloading and receiving machine caused by collision with the placing surface when the conveyor 2 falls is reduced.
The working steps of the unloading and receiving machine are as follows:
s1, when the unloading and receiving machine works, the hydraulic rod 10 is driven to work to enable the whole equipment to be located on the ground, in the falling process of the conveyor 2, the damping reinforcing plate 44 is contacted with the placing surface to enable the buffer plate 42 to move inside the limiting groove 41 to push the transmission rod 40, the sliding block 37 moves on the sliding rod 36 to squeeze the buffer spring 38 under the pushing action of the transmission rod 40, the buffer spring 38 buffers the decomposition impact force in the horizontal direction, and the damage to the unloading and receiving machine caused by the collision between the conveyor 2 and the placing surface in the falling process is reduced;
s2, the self-unloading dump truck runs in a reverse way to the unloading ramp 3 through an electric folding upper platform 19, an adjusting motor 22 operates to drive a threaded rod 20 to rotate, the threaded rod 20 rotates to drive a moving block 23 to move inside an adjusting groove 4 so as to enable a hinge seat 24 to adjust the position in the horizontal direction, a supporting rod 25 is used for changing the angle in the moving process of the hinge seat 24, the supporting rod 25 pushes the bottom of a wheel baffle 26 to realize the adjustment of the inclination angle of the wheel baffle 26 through axial rotation of a rotating shaft, and the wheel baffle 26 blocks the front wheels of the truck;
s3, unloading the goods by the self-unloading dump truck, wherein the unloaded goods fall into the conveyor 2, the conveying motor 13 operates to drive the conveying roller 12 to rotate, the conveying roller 12 realizes continuous transmission of the chain plate 14 through the transmission function of the belt pulley, and the goods are transmitted to the receiving hopper 11 in the conveyor 2;
s4, resetting the wheel baffle 26 after unloading is completed, enabling the dump truck to run out through the electric folding upper platform 19, and when goods remain on the unloading ramp 3, pressing the weighing plate 16 to move inside the sliding groove 15 due to the weight of the goods to squeeze the weighing sensor 17, wherein the weighing sensor 17 detects the weight on the weighing plate 16.
In step S2, the method further includes the steps of:
s21, a limiting cylinder 5 carries out balanced jacking on the upper part of a front wheel of the automobile, an electric telescopic rod 28 works to drive a sliding frame 29 to move at the inner side of a movable groove 27 for height adjustment, the stretching length of an anti-vibration spring 30 is changed to realize the elastic adjustment of the anti-vibration spring 30, the limiting jacking requirements of different load dump trucks are met, the front wheel of the automobile is contacted with a jacking plate 31 to enable the jacking plate 31 to move downwards to extrude the anti-vibration spring 30, and the anti-vibration spring 30 buffers the shaking impact force of the automobile;
in step S4, the method further includes the steps of:
s41, after the detection of the weighing sensor 17 is completed, the remote control module 18 works to control the working state of the scraping plate 34, the electric sliding block 32 moves on the sliding rail frame 6 to move horizontally, and the scraping plate 34 is driven to reciprocate so that the scraping pad 35 scrapes the residual goods on the surface of the unloading ramp 3.
Working principle: when the device is used, firstly, the unloading and material receiving machine works and moves to the corresponding position, during operation, the hydraulic rod 10 is driven to work so that the whole equipment is located on the ground, the shock absorption reinforcing plate 44 contacts with the placing surface in the falling process of the conveyor 2, the buffer plate 42 moves inside the limiting groove 41 to push the transmission rod 40, the sliding block 37 moves on the sliding rod 36 to extrude the buffer spring 38 under the pushing action of the transmission rod 40, the buffer spring 38 buffers the decomposition impact force in the horizontal direction, the damage to the unloading and material receiving machine caused by the collision between the conveyor 2 and the placing surface is reduced, the self-dumping dump truck runs on the unloading ramp 3 in a reversing way through the electric folding upper platform 19, the adjusting motor 22 drives the threaded rod 20 to rotate, the threaded rod 20 rotates to drive the moving block 23 to move inside the adjusting groove 4 so that the hinge seat 24 carries out position adjustment in the horizontal direction, the use angle of the supporting rod 25 is changed in the moving process of the hinging seat 24, the supporting rod 25 pushes the bottom of the wheel baffle 26, the supporting rod axially rotates through a rotating shaft to adjust the use inclination angle of the wheel baffle 26, the wheel baffle 26 blocks the front wheel of the automobile, the limiting cylinder 5 balances and props the upper part of the front wheel of the automobile, the electric telescopic rod 28 works to drive the sliding frame 29 to move at the inner side of the movable groove 27 to adjust the height, the stretching length of the anti-vibration spring 30 is changed to realize the elastic adjustment of the anti-vibration spring 30, the limiting and proping requirements of the dump truck with different loads are met, the front wheel of the automobile is contacted with the top supporting plate 31 to enable the top supporting plate 31 to downwards move to squeeze the anti-vibration spring 30, the anti-vibration spring 30 buffers the shaking impact force of the automobile, the dump truck discharges the goods, the discharged goods falls into the conveyor 2, the conveying motor 13 operates to drive the conveying roller 12 to rotate, the continuous transmission of link plate 14 is realized to the conveying roller 12 through the transmission effect of belt pulley, the goods is transmitted to receiving hopper 11 in conveyer 2, the back striker plate 26 resets after unloading is accomplished, the dump truck is driven out through electronic folding upper truck platform 19, when having the goods to remain on the unloading ramp 3 because the weight of goods presses weighing plate 16 to remove in sliding tray 15 inboard and extrudees weighing sensor 17, weighing sensor 17 detects the weight on the weighing plate 16, remote control module 18 work is controlled the operating condition of scraper blade 34 after weighing sensor 17 detects the completion, electronic slider 32 moves on slide rail frame 6 and carries out the removal in horizontal direction, drive scraper blade 34 and carry out reciprocating motion and make scraping pad 35 scrape the goods that the surface was remained on the unloading ramp 3.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a portable unloading receiver that flexibility ratio is high, includes frame (1), conveyer (2) and unloading ramp (3), its characterized in that: the automatic feeding and discharging device is characterized in that a driving hydraulic rod (10) is arranged at the top of the frame (1), a conveyor (2) is connected to the output end of the driving hydraulic rod (10) in an axial mode, a discharging ramp (3) is arranged on the outer side of the conveyor (2), a sliding groove (15) is formed in the inner side of the discharging ramp (3), a weighing plate (16) is arranged on the inner side of the sliding groove (15) in a jogged mode, a weighing sensor (17) is arranged on the bottom wall of the discharging ramp (3), the output end of the weighing sensor (17) is in contact with the bottom of the weighing plate (16), a remote control module (18) is arranged on the bottom wall of the discharging ramp (3), and an electric folding upper platform (19) is arranged on one side, far away from the conveyor (2), of the discharging ramp (3);
the top symmetry of the unloading ramp (3) is provided with an adjusting groove (4), the inner side of the adjusting groove (4) is provided with a threaded rod (20), the outer side of the threaded rod (20) is provided with a moving block (23), the top of the moving block (23) is provided with a hinging seat (24), the top of the unloading ramp (3) is provided with a wheel baffle (26) through a rotating shaft, the top of the wheel baffle (26) is provided with a limit cylinder (5), the inner wall of the limit cylinder (5) is provided with a movable groove (27), the inner side of the movable groove (27) is embedded with a sliding frame (29), the bottom wall of the limit cylinder (5) is provided with an electric telescopic rod (28), the output end of the electric telescopic rod (28) is connected with the bottom of the sliding frame (29), the outer side of the sliding frame (29) is provided with an anti-vibration spring (30), the top of the sliding frame (29) is provided with a top support plate (31), and the top of the anti-vibration spring (30) is connected with the bottom of the top support plate (31).
The utility model discloses a buffer plate, including conveyer (2), slide rail frame (6) are installed to one side that conveyer (2) is close to unloading ramp (3), electronic slider (32) are installed in the outside gomphosis of slide rail frame (6), spliced pole (33) are installed in the outside of electronic slider (32), scraper blade (34) are installed to the outer end of spliced pole (33), scraper blade (35) are installed to the bottom of scraper blade (34), and scraper blade (35) are contacted with the top of unloading ramp (3), shock attenuation frame (7) are installed to the bottom of conveyer (2), install slide bar (36) on the inner wall of shock attenuation frame (7), slider (37) are installed in the outside gomphosis of slide bar (36), the outside of slide bar (36) is provided with buffer spring (38), and the other end and the outer wall of slider (37) of buffer spring (38) are connected, articulated frame (39) are installed to the bottom of slider (37), transmission pole (40) are installed to the inboard of articulated frame (39), be provided with on the inner wall of shock attenuation frame (7) draw-in groove (41), buffer plate (42) are installed in the bottom of buffer plate (42), buffer plate (42) are installed with the bottom of buffer plate (42), and a shock absorption reinforcing plate (44) is arranged at the bottom end of the connecting rod (43).
2. The high-flexibility mobile unloading and receiving machine according to claim 1, wherein: cab (8) are installed at the top of frame (1), crawler belt running gear (9) are installed at the bottom of frame (1), receiving hopper (11) are installed at the output bottom of conveyer (2), conveying roller (12) are installed to the inboard of conveyer (2), conveying motor (13) are installed to the back of conveyer (2), and the output of conveying motor (13) is connected with the input of conveying roller (12), and link joint (14) are installed through the belt pulley in the outside of conveying roller (12).
3. The high-flexibility mobile unloading and receiving machine according to claim 2, characterized in that: the mounting plate (21) is installed to the inboard of adjustment tank (4), and accommodate motor (22) is installed in the outside of mounting plate (21), and accommodate motor (22) output and the input of threaded rod (20) are connected, and bracing piece (25) is installed to the inboard of articulated seat (24), and the top of bracing piece (25) articulates with the bottom of wheel baffle (26).
4. The method for using the mobile unloading and receiving machine with high flexibility according to claim 3, wherein the working steps of the unloading and receiving machine are as follows:
s1, moving a unloading and receiving machine to a corresponding position when in operation, driving a hydraulic rod (10) to work so as to enable integral equipment to be located on the ground, enabling a damping reinforcing plate (44) to be in contact with a placing surface in the falling process of a conveyor (2), enabling a buffer plate (42) to move inside a limiting groove (41) to push a transmission rod (40), enabling a sliding block (37) to move on a sliding rod (36) to squeeze a buffer spring (38) under the pushing action of the transmission rod (40), buffering the decomposition impact force of the buffer spring (38) in the horizontal direction, and reducing damage to the unloading and receiving machine caused by collision with the placing surface when the conveyor (2) falls;
s2, the self-unloading dump truck runs back to the unloading ramp (3) through an electric folding upper platform (19), an adjusting motor (22) runs to drive a threaded rod (20) to rotate, the threaded rod (20) rotates to drive a moving block (23) to move inside an adjusting groove (4) so that a hinge seat (24) can adjust the position in the horizontal direction, a supporting rod (25) changes the use angle in the moving process of the hinge seat (24), the supporting rod (25) pushes the bottom of a wheel baffle (26) to realize the adjustment of the use inclination angle of the wheel baffle (26) through axial rotation of a rotating shaft, and the wheel baffle (26) blocks the front wheel of the truck;
s3, unloading the goods by the self-unloading dump truck, wherein the unloaded goods fall into the conveyor (2), the conveying motor (13) operates to drive the conveying roller (12) to rotate, the conveying roller (12) realizes continuous transmission of the chain plate (14) through the transmission function of the belt pulley, and the goods are transmitted to the receiving hopper (11) in the conveyor (2);
s4, resetting the wheel baffle (26) after unloading is completed, enabling the dump truck to run out through the electric folding upper platform (19), and detecting the weight of the weighing sensor (17) on the weighing plate (16) due to the fact that the weight of the goods presses the weighing plate (16) to move inside the sliding groove (15) when the goods remain on the unloading ramp (3).
5. The method of using a mobile unloading and receiving machine with high flexibility according to claim 4, wherein in step S2, the method further comprises the following steps:
s21, a limiting cylinder (5) carries out balanced jacking on the upper part of a front wheel of an automobile, an electric telescopic rod (28) works to drive a sliding frame (29) to move inside a movable groove (27) to carry out height adjustment, the stretching length of an anti-vibration spring (30) is changed to realize elastic adjustment of the anti-vibration spring (30), the limiting jacking requirements of different loading dump trucks are met, the front wheel of the automobile is contacted with a jacking plate (31) to enable the jacking plate (31) to move downwards to squeeze the anti-vibration spring (30), and the anti-vibration spring (30) buffers the shaking impact force of the automobile;
in the step S4, the method further includes the following steps:
s41, after the detection of the weighing sensor (17), the remote control module (18) works to control the working state of the scraping plate (34), the electric sliding block (32) moves on the sliding rail frame (6) to move horizontally, and the scraping plate (34) is driven to reciprocate to enable the scraping pad (35) to scrape residual goods on the surface of the unloading ramp (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310551056.5A CN116553214B (en) | 2023-05-16 | 2023-05-16 | High-flexibility movable unloading and receiving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310551056.5A CN116553214B (en) | 2023-05-16 | 2023-05-16 | High-flexibility movable unloading and receiving machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116553214A CN116553214A (en) | 2023-08-08 |
| CN116553214B true CN116553214B (en) | 2023-11-14 |
Family
ID=87497835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310551056.5A Active CN116553214B (en) | 2023-05-16 | 2023-05-16 | High-flexibility movable unloading and receiving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116553214B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916119A (en) * | 2018-07-03 | 2018-11-30 | 合肥信仁液压机械有限公司 | A kind of water pump with shock-absorbing function |
| CN109956340A (en) * | 2019-04-12 | 2019-07-02 | 山东聚阳智能装备有限公司 | Linear lane lorry device for discharging |
| CN212197651U (en) * | 2020-03-03 | 2020-12-22 | 无锡华九机械设备有限公司 | Unloading buffer device for ship loader truck |
| CN212607744U (en) * | 2020-07-16 | 2021-02-26 | 青岛康尼尔铁山环保科技有限公司 | Rigid landfill feeding platform with high conveying efficiency |
| CN218968287U (en) * | 2022-09-07 | 2023-05-05 | 焦作科瑞森重装股份有限公司 | Truck unloading earth surface feeder |
-
2023
- 2023-05-16 CN CN202310551056.5A patent/CN116553214B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916119A (en) * | 2018-07-03 | 2018-11-30 | 合肥信仁液压机械有限公司 | A kind of water pump with shock-absorbing function |
| CN109956340A (en) * | 2019-04-12 | 2019-07-02 | 山东聚阳智能装备有限公司 | Linear lane lorry device for discharging |
| CN212197651U (en) * | 2020-03-03 | 2020-12-22 | 无锡华九机械设备有限公司 | Unloading buffer device for ship loader truck |
| CN212607744U (en) * | 2020-07-16 | 2021-02-26 | 青岛康尼尔铁山环保科技有限公司 | Rigid landfill feeding platform with high conveying efficiency |
| CN218968287U (en) * | 2022-09-07 | 2023-05-05 | 焦作科瑞森重装股份有限公司 | Truck unloading earth surface feeder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116553214A (en) | 2023-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4402392A (en) | Portable belt conveyor, particularly a plate belt conveyor for crushing plants | |
| CN105480308A (en) | Inclined dumper door of freight carriage | |
| US5118244A (en) | Truck body structure and driven moving floor for self-unloading | |
| US20070031227A1 (en) | Truck mounted bulk material transfer unit | |
| CN116553214B (en) | High-flexibility movable unloading and receiving machine | |
| KR20180024811A (en) | Apparatus for ejecting load and dump truck having the same | |
| CN218968287U (en) | Truck unloading earth surface feeder | |
| CN111977394A (en) | Lifting bucket type loader | |
| CN211619123U (en) | Scraper conveyor with lifting function for coal mine | |
| CN111775981A (en) | Railway side-dumping car | |
| CN212473222U (en) | Multi-drive discharging device for dumper | |
| CN115108349A (en) | Bidirectional walking structure and movable ship loader | |
| CN211254045U (en) | Railway transportation of grain in bulk connects unloads device | |
| CN213325742U (en) | Movable platform of unloading of positive going up | |
| CN212473224U (en) | Sectional type discharge apparatus for dump truck | |
| CN212473225U (en) | Multi-drive type novel unloading device for dump truck | |
| CN216836237U (en) | Foundation-pit-free hydraulic turnover unloading device | |
| CN212798144U (en) | Unloading mechanism of garbage transfer semitrailer | |
| CN213111594U (en) | Lifting bucket type loader | |
| KR0139700Y1 (en) | Dumping mechanism for a truck | |
| CN117246363B (en) | Mineral aggregate transportation equipment | |
| KR100202521B1 (en) | Unloading equipment of satacking meterial | |
| CN205469330U (en) | Freight car tilting self -discharging door | |
| CN216184707U (en) | Rear jacking assembly and dump truck | |
| CN216237990U (en) | Multifunctional hopper device for engineering truck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |